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CAN Communication

CAN COMMUNICATION

System Description
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.




CAN Communication Unit




Vehicles equipped with TCS can be identified by the presence of a TCS ON/OFF switch.

TYPE1/TYPE2

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- Type1

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- Type2

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Input/output signal chart

TYPE3/TYPE4

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- Type3

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- Type4

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Input/output signal chart

TYPE5/TYPE6

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- Type5

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- Type6

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Input/output signal chart

TYPE7/TYPE9

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- Type7

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- Type9

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Input/output signal chart

TYPE8/TYPE10

System diagram

System Diagram:




- Type8

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- Type10

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Input/output signal chart